General Electric GE 7025 12AX7 ECC83 Vacuum Tube NOS NIB For Your Schiit

General Electric GE 7025 12AX7 ECC83 Vacuum Tube NOS NIB For Your SchiitFor sale is one new old stock, new in box GE 7025 (12AX7 ECC83) dual triode for your Univalve or other application requiring a single 12AX7 type tube. It measured 38 39 on our TV7 U where minimum (65%) is 32 32 and 100% is 49 49. The 7025 has somewhat different gain characteristics than the standard 12AX7, giving you not only a different sonic signature because of that characteristic, but also because if it is a brand other than RCA. I have played it

6 milliamps' plate current while Tube Two drew 18

new in box European-MADE

Tube One measured 61/60 while Tube Two measured 68/68 where minimum (65%) is 50/50 and 100% is 77/77

Where the labeling took place is anyone's guess as the Raytheon-branded tube is stamped "England" while the Ameco tube claims to have been made in the USA

new in box GE 6BE6 tube tested to spec on our Paul Hart-calibrated TV7/U

new in box GE 12FX8A tubes tested to spec on our Paul Hart-calibrated TV7/U

Transconductance was 1900 for Tube One and 1800 for Tube Two where new/nominal is within one standard deviation of 1900

They have black plates

This tube has anode radiators for cooler operation and longer tube life

These three RCA 6MD8 tubes are new old stock

9 milliamps where new 6L6GCs typically test with plate current from the low 20s to mid 30s and transconductance from 2200 micromhos or so

" WE SHIP THE DAY AFTER THE SALE IF THE SALE WAS AFTER 9:30 AM EASTERN TIME